[英]How to upload files from two html input fields in the same form using php?
嗨,我在使用 php 上传两个文件时遇到问题。 我有这个带有两个文件字段的 html 输入表单
<form class="form-group" method="post" enctype="multipart/form-data">
<input type="file" accept=".jpg, .jpeg, .png" id="img" name="displaypic" required/>
<input type="file" accept=".pptx" name="presentation" required>
<button name="submit>Submit</submit>
</form>
这是我的php代码。 在这里,我从表单中获取文件数据,但只上传了第一个文件,没有上传第二个文件。
<?php
if(isset($_POST['submit'])){
$file = $_FILES['displaypic'];
$fileName = $_FILES['displaypic']['name'];
$tempName = $_FILES['displaypic']['tmp_name'];
$size = $_FILES['displaypic']['size'];
$error = $_FILES['displaypic']['error'];
$format = $_FILES['displaypic']['type'];
$fileExt = explode('.', $fileName);
$fileActualExt = strtolower(end($fileExt));
$allowed = array('jpg', 'jpeg','png');
if(in_array($fileActualExt, $allowed)) {
if ($error === 0) {
if ($size<2e6) {
$newname = $tid.".".$fileActualExt;
$location = 'displays/'.$newname;
move_uploaded_file($tempName,$location);
}}}
同样,当我为文件 2 编写相同的代码时,它不起作用。 仅上传第一个文件,而不上传第二个文件。
$file_ppt = $_FILES['presentation'];
$fileName = $_FILES['presentation']['name'];
$tempName = $_FILES['presentation']['tmp_name'];
$size = $_FILES['presentation']['size'];
$error = $_FILES['presentation']['error'];
$format = $_FILES['presentation']['type'];
$fileExt = explode('.', $fileName);
$fileActualExt = strtolower(end($fileExt));
$allowed = array('pptx');
if(in_array($fileActualExt, $allowed)) {
if ($error === 0) {
if ($size<10e6) {
$newname = $tid.".".$fileActualExt;
$location = 'presentations/'.$newname;
move_uploaded_file($tempName,$location);
}}}
} ?>
请指导我并帮助我完成此代码。
如果您对文件输入字段使用相同的名称,但对名称使用数组样式语法,您可以在方括号内分配您自己的标识符,稍后将在 POST / FILES 数组中提供该标识符。 此标识符可用于分隔不同类型的文件,以便您可以根据需要分叉逻辑。
下面显示了这种方法的基本用法 - 它可能会被证明很有趣,但也可能不会。
<?php
$field='xfiles'; // Whatever you wish to name your file input elements
$errors=array();
$status=array();
$maxfs=pow(1024,2) * 5; //5Mb or whatever.... 10e6?
if( $_SERVER['REQUEST_METHOD']=='POST' && isset( $_FILES[ $field ] ) ){
$obj=$_FILES[ $field ];
foreach( $obj['name'] as $index => $void ){
$name=$obj['name'][ $index ];
$tmp=$obj['tmp_name'][ $index ];
$error=$obj['error'][ $index ];
$type=$obj['type'][ $index ];
$size=$obj['size'][ $index ];
$ext=strtolower(pathinfo($name,PATHINFO_EXTENSION));
$allowed=(object)array(
'displaypic' => array('jpg','jpeg','png'),
'presentation' => array('ppt','pptx')
);
if( $error!==UPLOAD_ERR_OK )$errors[]=sprintf('An error [code:%d] occurred with file %s',$error,$name);
if( !in_array( $ext, $allowed->$index ) )$errors[]=sprintf('Incorrect file extension %s for %s',$ext,$name);
if( $size > $maxfs )$errors[]=sprintf('The file %s is too large @%d',$name,$size);
if( empty( $errors ) ){
$status[]=sprintf('<div>%s uploaded successfully - save to db, do a happy little dance or whatever else you need to do!</div>', $name );
#move_uploaded_file($tmp,'/path/to/new/folder/'.$name);
#$sql='insert into ....';
}
}
}
?>
<!DOCTYPE html>
<html lang='en'>
<head>
<title>PHP: Multiple file uploads</title>
<meta charset='utf-8' />
</head>
<body>
<form class='form-group' method='post' enctype='multipart/form-data'>
<label>Display - [accept:jpg,png]<input type='file' accept='.jpg, .jpeg, .png' name='xfiles[displaypic]' required /></label>
<label>Presentation - [accept:ppt,pptx] <input type='file' accept='.ppt, .pptx' name='xfiles[presentation]' required /></label>
<input type='submit' />
<?php
if( $_SERVER['REQUEST_METHOD']=='POST' && !empty( $status ) ){
echo '<h1>Success</h1>';
foreach($status as $msg)printf('<div>%s</div>',$msg);
}
if( $_SERVER['REQUEST_METHOD']=='POST' && !empty( $errors ) ){
echo '<h1>Error</h1>';
foreach($errors as $error)printf('<div>%s</div>',$error);
}
?>
</form>
</body>
</html>
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